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Updated: Oct 2, 2026

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
[Complications of chronic subdural hematoma in the adult]
1Service de Neurochirurgie, Hôpital Foch, 40, rue Worth, BP 36, 92151 Suresnes. p.pencalet@hopital-foch.org
Abstract:
Chronic subdural hematoma is subject to post-operative fatal and non-fatal complications in 5 to 10% of the cases. Mortality ranges from 0 to 8%, depending on the preoperative clinical status. There is an average recurrence in 8% of the cases, chiefly linked to the absence of drainage. Empyema occurs in 2% of patients, especially when the drain is left in place more than 3 days. In most of the series, long-term epilepsy is a rare complication and patients do not require antiepileptic drugs. The lack of cortical reexpansion, postoperative intracerebral hematoma and tension hydrocephalus are, among others, complications occurring after surgery. Finally, 10% of the patients will have a permanent neurological impairment.
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